Home / 199,746,005.40-299,619,008.10-56,138,837.40

Finding the Fourth Proportional to 199,746,005.40, 299,619,008.10 and 56,138,837.40

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Solution

The fourth proportional to 199,746,005.40, 299,619,008.10 and 56,138,837.40 is: 84,208,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,746,005.40 : 299,619,008.10 = 56,138,837.40 : x
  2. Step 2: Convert to fraction form
    199,746,005.40/299,619,008.10 = 56,138,837.40/x
  3. Step 3: Cross multiply
    199,746,005.40x = 299,619,008.10 × 56,138,837.40
  4. Step 4: Simplify right side
    199,746,005.40x = 16,820,262,777,675,184
  5. Step 5: Solve for x
    x = 16,820,262,777,675,184/199,746,005.40
  6. Step 6: Final answer
    x = 84,208,256.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.